13307438 has 8 divisors (see below), whose sum is σ = 19976880. Its totient is φ = 6648480.

The previous prime is 13307431. The next prime is 13307449. The reversal of 13307438 is 83470331.

13307438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13307438² = 354175812247688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13307438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13307431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2783 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (2497110).

Almost surely, 2^13307438 is an apocalyptic number.

13307438 is a deficient number, since it is larger than the sum of its proper divisors (6669442).

13307438 is a wasteful number, since it uses less digits than its factorization.

13307438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 13307438 is about 3647.9361288268. The cubic root of 13307438 is about 236.9726092482.

Adding to 13307438 its reverse (83470331), we get a palindrome (96777769).

The spelling of 13307438 in words is "thirteen million, three hundred seven thousand, four hundred thirty-eight".